2021013342343 has 8 divisors (see below), whose sum is σ = 2033485241328. Its totient is φ = 2008542334464.

The previous prime is 2021013342317. The next prime is 2021013342371. The reversal of 2021013342343 is 3432433101202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021013342343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021013342443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655655 + ... + 5071207.

It is an arithmetic number, because the mean of its divisors is an integer number (254185655166).

Almost surely, 2^{2021013342343} is an apocalyptic number.

2021013342343 is a deficient number, since it is larger than the sum of its proper divisors (12471898985).

2021013342343 is a wasteful number, since it uses less digits than its factorization.

2021013342343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445553.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2021013342343 its reverse (3432433101202), we get a palindrome (5453446443545).

The spelling of 2021013342343 in words is "two trillion, twenty-one billion, thirteen million, three hundred forty-two thousand, three hundred forty-three".